JVC AV-25BT6ENB, Service Manual

Page: 27 / 44

No. 52056
AV-25BT6ENS
AV-25BT6ENB
14
ADJUSTMENTS
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SCREEN ADJUSTMENT
Item
Measuring
instrument
Test point Ad justment part Description
SCREEN
adjustment Remote
control unit SCREEN VR
[On the FBT] 1. Enter SERVICE MENU.
2. Press YELLOW key to disable vertic al s can.
3. Adjust SCREEN VR. on the FBT as thin as possible.
4. Press YELLOW k ey again to enable vertical sc an.
5. Press STANDARD key to leave s ervic e menu.
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■ OSD HORIZONTAL POSITION ADJUSTMENT
Item
Measuring
instrument
Test point Ad justment part Description
HORIZONTAL
POSITION OF
OSD
adjustment Remote
control unit OSD 1. Enter SERVICE MENU.
2. Select OSD with FUNCTION ( / ) key
3. Adjust the OSD horizontal pos ition with the FUNCTION ( / )
key, whic h shifts the reference bar on the bottom of the
SERVICE MENU horizontally, s o that the OSD is positioned on
the screen c enter. (
X = X’ )
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■
IF ADJUSTMENT
Item
Measuring
instrument
Test point Ad justment part Description
IF adjustment Remote
control unit IF 1
IF 2
IF 3
IF 4
1. Receive a PAL colour bar pattern.
2. Enter SERVICE MENU.
3. Select IF 1 with FUNCTION ( / ) key
4. Press BLUE key during IF 1 is highlighted, IF 1 and IF 2 values
are adjusted automatic ally by software.
5. If the standard is L-prime, IF 3 and IF 4 values are adjustment
automatic ally when BLUE key is press ed during IF 1 is
highlighted.
FBT
FOCUS VR
SCREEN VR
Reference bar
Screen size
SERVICE MENU SCREEN
X X’